Hotfix rollup 936051 is available for Subsystem for UNIX-based Applications in Windows Server 2003 R2

This hotfix rollup for Subsystem for UNIX-based Applications in Windows Server 2003 R2 fixes multiple problems and includes some previous hotfixes. This hotfix rollup contains the following previous hotfixes:This hotfix rollup also fixes the following problems:

• Multiple concurrent open and close function calls on a file handle introduce a race condition in the Psxdrv.sys file. This race condition may cause Subsystem for UNIX-based Applications in Windows Server 2003 R2 to crash.
• Temporary files fill up the %WINDIR%\temp folder and the disk when you use Subsystem for UNIX-based Applications in Windows Server 2003 R2.

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must have Subsystem for UNIX-based Applications for Windows Server 2003 R2 installed on the computer.

Restart requirement

You have to restart the computer after you apply this hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Server 2003, x86-based versions

Windows Server 2003 with Service Pack 2, x86-based versions

Windows Server 2003, x64-based versions

Windows Server 2003 with Service Pack 2, x64-based versions

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: